The peoples of Classic Maya civilization were obsessed with sharks. Images of shark-like monsters appear in Maya cities throughout the regions known today as Mexico, Belize, and Guatemalaâ€”even deep in the continent's interior, where people never saw the ocean. Now one archaeologist has suggested these mythic symbols may have been based on real experiences Mayans had with sharks, as well as a bri Read More

It's called CRISPR-Cas9 â€” one of the century'sÂ biggest scientific breakthroughs in genetic engineering â€”Â and now three majorÂ universities are battling it out in court over who owns a patent onÂ the revolutionary technology.On Tuesday, UC Berkeley lawyers defended the university's claim to patentÂ CRISPR in a dispute that went before a panel of judges at the U.S Patent and Trademark headquar Read More